August 2018 2 13 Report
Zadanie1
Oblicz 30% wartości wyrażenia:
a) 3 2/3 + 7 1/3 + 9 1/2 + 1 1/3
b) 2 4/5 + 4,9 : 24,5

Zadanie 2
a) 21,85 : 43,7 + 8 1/2 * 2/17 +2 17/18

Zadanie 3
Znajdź liczbę której 5 % wynosi:
a)[ ( 4 3/5 +3,4 *3 - (42,3 - 40,7 ) *10] : 2/3


Pomóżcie.!


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